Climbing aid



FIG. 1 is a front perspective view showing a climbing aid according tomy new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right side view thereof; and,

FIG. 7 is a left side view thereof.

The broken lines showing environment or structure of the climbing aidare for illustrative purposes only and form no part of the claimeddesign.

The ornamental design for a climbing aid, as shown. 